Sentence examples for demographic bottlenecks from inspiring English sources

About this time the cheetah populations seem to have experienced what may have been the first and most severe of a series of size reductions (demographic bottlenecks).

Wolves in Croatia and Italy underwent recent demographic bottlenecks, but they differ in genetic diversity and population structure.

In our model, tree abundance is limited without invoking demographic bottlenecks in the transition from fire-sensitive to fire-resistant life history stages.

Understanding how habitat heterogeneity influences the causal factors that limit propagule establishment in natural populations is central to assess these demographic bottlenecks and their consequences.

Our data show high levels of among-population differentiation, consistent with the effects of historical demographic bottlenecks, local adaptation and climate effects.

Our study shows that habitat fragmentation has serious negative effects on recruitment in M. communis due to demographic bottlenecks in seedling establishment.

As the escape of juveniles to mature vegetation is a main demographic bottleneck for most Sudanian savanna species, it is essential to create escape opportunities.

The world is passing through a demographic bottleneck.

The low values are consistent with the hypothesis that populations of this species recently passed through a prolonged demographic bottleneck or a founder event [53], [56].

However, these genetic effects are observed more than 15 generations after a demographic bottleneck [36], which means for long-lived species such as gorillas more than 300 years after a demographic crash.

The absence of a recent demographic bottleneck or population founder effect for the Druze population is consistent with their oral tradition of heterogeneous ancestral origins, and also is consistent with the pattern of Mendelian genetic disease in the population.